//鼠标点击事件
export const CLICK = Symbol('click')

//鼠标按下事件
export const MOUSEDOWN = Symbol('mousedown')

//鼠标移动事件
export const MOUSEMOVE = Symbol('mousemove')

//鼠标离开事件
export const MOUSEOUT = Symbol('mouseout')

//鼠标松开事件
export const MOUSEUP = Symbol('mouseup')

//鼠标松开事件
export const MOUSEWHEEL = Symbol('mousewheel')